S-90763A130 3/4"-10 ASTM A563 Hex Nuts

Key Features & Benefits at a Glance

• Enhanced Load Distribution from the extra wide profile, reducing stress concentration and preventing joint failure in heavy-duty applications.
• Superior Corrosion Resistance provided by the black-oxide steel finish, extending service life in harsh industrial environments.
• High-Strength Performance guaranteed by ASTM Grade DH certification, ensuring reliable performance under extreme mechanical stress.
• Easy and Secure Installation with the coarse UNC thread and Class 2B fit, enabling quick assembly while maintaining vibration resistance.
• Broad Industrial Compliance with ASTM A563 standards, ensuring consistent quality and interchangeability in professional applications.
• Environmental and Safety Assurance through RoHS 3 and REACH compliance, meeting strict international regulations for hazardous substances.
• Optimized Wrench Engagement due to the 1.231" width and external hex drive, providing superior torque application and reducing slippage risks.

Professional Applications & Engineering Value

Engineered for demanding industrial applications, this 3/4"-10 UNC hex nut addresses critical challenges in construction, machinery, and structural assemblies. The black-oxide steel material offers excellent resistance to rust and wear, which is vital in environments exposed to moisture, chemicals, or outdoor conditions. Its extra wide profile significantly improves load distribution across fastened surfaces, minimizing the risk of loosening under dynamic loads or vibrations. The coarse thread design ensures faster installation and reduced cross-threading, while the Class 2B thread fit provides a balance between ease of assembly and secure retention. Ideal for use in heavy equipment, infrastructure projects, and automotive systems, this nut delivers consistent high-strength performance where reliability is non-negotiable.

Specification Summary & Compliance

This extra wide hex nut adheres to precise dimensional standards, including a Class 2B thread fit for consistent engagement and UNC coarse threading (3/4"-10) for robust performance. Manufactured in compliance with ASTM A563 and graded to ASTM Grade DH for high tensile strength. The product meets RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) requirements, ensuring it is free from restricted substances and safe for industrial use globally.